Mattress



FIG. 1 is a first perspective view of a mattress;

FIG. 2 is a second perspective view of the mattress of FIG. 1;

FIG. 3 is an elevation of a first end of the mattress of FIG. 1;

FIG. 4 is an elevation of a second end opposite the first end of the mattress of FIG. 1;

FIG. 5 is an elevation of a side of the mattress of FIG. 1, the opposite side of which is identical in appearance;

FIG. 6 is a top plan view of the mattress of FIG. 1, the opposite side of which is identical in appearance;

FIG. 7 is a first perspective view of a first alternate embodiment of the mattress of FIG. 1;

FIG. 8 is a second perspective view of a first alternate embodiment of the mattress of FIG. 1;

FIG. 9 is an elevation of a first end of the mattress of FIG. 7;

FIG. 10 is an elevation of a second end opposite the first end of the mattress of FIG. 7;

FIG. 11 is an elevation of a side of the mattress of FIG. 7, the opposite side of which is identical in appearance;

FIG. 12 is a top plan view of the mattress of FIG. 7, the opposite side of which is identical in appearance.

FIG. 13 is a first perspective view of a second alternate embodiment of the mattress of FIG. 1;

FIG. 14 is a second perspective view of the mattress of FIG. 13;

FIG. 15 is an elevation of a first end of the mattress of FIG. 13;

FIG. 16 is an elevation of a second end of the mattress of FIG. 13 opposite the first end;

FIG. 17 is an elevation of a side of the mattress of FIG. 13, the opposite side of which is identical in appearance; and,

FIG. 18 is a top plan view of the mattress of FIG. 13, the opposite side of which is identical inappearance. 

CLAIM The ornamental designs for a mattress, as shown and described. 